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Equation represents a circle with a center at (–4, 9) and a diameter of 10 units?
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Equation represents a circle with a center at (–4, 9) and a diameter of 10 units?

User Martin Sznapka
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7.7k points

2 Answers

5 votes

Answer:

r=10

Explanation:

User AntonyMN
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8.0k points
3 votes
The standard equation of a circle with radius r and centred at (h,k) is given by:

(x-h)^2+(y-k)^2=r^2.

Substitute (h,k)=(-4,9) and r=10 to find the exact equation.
User Mitali
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8.5k points
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